1 #ifndef OXYGEN_H_INCLUDED 2 #define OXYGEN_H_INCLUDED 3 4 #include <linux/mutex.h> 5 #include <linux/spinlock.h> 6 #include <linux/wait.h> 7 #include <linux/workqueue.h> 8 #include "oxygen_regs.h" 9 10 /* 1 << PCM_x == OXYGEN_CHANNEL_x */ 11 #define PCM_A 0 12 #define PCM_B 1 13 #define PCM_C 2 14 #define PCM_SPDIF 3 15 #define PCM_MULTICH 4 16 #define PCM_AC97 5 17 #define PCM_COUNT 6 18 19 #define OXYGEN_IO_SIZE 0x100 20 21 /* model-specific configuration of outputs/inputs */ 22 #define PLAYBACK_0_TO_I2S 0x0001 23 /* PLAYBACK_0_TO_AC97_0 not implemented */ 24 #define PLAYBACK_1_TO_SPDIF 0x0004 25 #define PLAYBACK_2_TO_AC97_1 0x0008 26 #define CAPTURE_0_FROM_I2S_1 0x0010 27 #define CAPTURE_0_FROM_I2S_2 0x0020 28 /* CAPTURE_0_FROM_AC97_0 not implemented */ 29 #define CAPTURE_1_FROM_SPDIF 0x0080 30 #define CAPTURE_2_FROM_I2S_2 0x0100 31 #define CAPTURE_2_FROM_AC97_1 0x0200 32 /* CAPTURE_3_FROM_I2S_3 not implemented */ 33 #define MIDI_OUTPUT 0x0800 34 #define MIDI_INPUT 0x1000 35 36 enum { 37 CONTROL_SPDIF_PCM, 38 CONTROL_SPDIF_INPUT_BITS, 39 CONTROL_MIC_CAPTURE_SWITCH, 40 CONTROL_LINE_CAPTURE_SWITCH, 41 CONTROL_CD_CAPTURE_SWITCH, 42 CONTROL_AUX_CAPTURE_SWITCH, 43 CONTROL_COUNT 44 }; 45 46 #define OXYGEN_PCI_SUBID(sv, sd) \ 47 .vendor = PCI_VENDOR_ID_CMEDIA, \ 48 .device = 0x8788, \ 49 .subvendor = sv, \ 50 .subdevice = sd 51 52 struct pci_dev; 53 struct snd_card; 54 struct snd_pcm_substream; 55 struct snd_pcm_hardware; 56 struct snd_pcm_hw_params; 57 struct snd_kcontrol_new; 58 struct snd_rawmidi; 59 struct oxygen; 60 61 struct oxygen_model { 62 const char *shortname; 63 const char *longname; 64 const char *chip; 65 struct module *owner; 66 int (*probe)(struct oxygen *chip, unsigned long driver_data); 67 void (*init)(struct oxygen *chip); 68 int (*control_filter)(struct snd_kcontrol_new *template); 69 int (*mixer_init)(struct oxygen *chip); 70 void (*cleanup)(struct oxygen *chip); 71 void (*suspend)(struct oxygen *chip); 72 void (*resume)(struct oxygen *chip); 73 void (*pcm_hardware_filter)(unsigned int channel, 74 struct snd_pcm_hardware *hardware); 75 void (*set_dac_params)(struct oxygen *chip, 76 struct snd_pcm_hw_params *params); 77 void (*set_adc_params)(struct oxygen *chip, 78 struct snd_pcm_hw_params *params); 79 void (*update_dac_volume)(struct oxygen *chip); 80 void (*update_dac_mute)(struct oxygen *chip); 81 void (*gpio_changed)(struct oxygen *chip); 82 void (*uart_input)(struct oxygen *chip); 83 void (*ac97_switch)(struct oxygen *chip, 84 unsigned int reg, unsigned int mute); 85 const unsigned int *dac_tlv; 86 size_t model_data_size; 87 unsigned int device_config; 88 u8 dac_channels; 89 u8 dac_volume_min; 90 u8 dac_volume_max; 91 u8 misc_flags; 92 u8 function_flags; 93 u16 dac_i2s_format; 94 u16 adc_i2s_format; 95 }; 96 97 struct oxygen { 98 unsigned long addr; 99 spinlock_t reg_lock; 100 struct mutex mutex; 101 struct snd_card *card; 102 struct pci_dev *pci; 103 struct snd_rawmidi *midi; 104 int irq; 105 void *model_data; 106 unsigned int interrupt_mask; 107 u8 dac_volume[8]; 108 u8 dac_mute; 109 u8 pcm_active; 110 u8 pcm_running; 111 u8 dac_routing; 112 u8 spdif_playback_enable; 113 u8 revision; 114 u8 has_ac97_0; 115 u8 has_ac97_1; 116 u32 spdif_bits; 117 u32 spdif_pcm_bits; 118 struct snd_pcm_substream *streams[PCM_COUNT]; 119 struct snd_kcontrol *controls[CONTROL_COUNT]; 120 struct work_struct spdif_input_bits_work; 121 struct work_struct gpio_work; 122 wait_queue_head_t ac97_waitqueue; 123 union { 124 u8 _8[OXYGEN_IO_SIZE]; 125 __le16 _16[OXYGEN_IO_SIZE / 2]; 126 __le32 _32[OXYGEN_IO_SIZE / 4]; 127 } saved_registers; 128 u16 saved_ac97_registers[2][0x40]; 129 unsigned int uart_input_count; 130 u8 uart_input[32]; 131 struct oxygen_model model; 132 }; 133 134 /* oxygen_lib.c */ 135 136 int oxygen_pci_probe(struct pci_dev *pci, int index, char *id, 137 const struct oxygen_model *model, 138 unsigned long driver_data); 139 void oxygen_pci_remove(struct pci_dev *pci); 140 #ifdef CONFIG_PM 141 int oxygen_pci_suspend(struct pci_dev *pci, pm_message_t state); 142 int oxygen_pci_resume(struct pci_dev *pci); 143 #endif 144 145 /* oxygen_mixer.c */ 146 147 int oxygen_mixer_init(struct oxygen *chip); 148 void oxygen_update_dac_routing(struct oxygen *chip); 149 void oxygen_update_spdif_source(struct oxygen *chip); 150 151 /* oxygen_pcm.c */ 152 153 int oxygen_pcm_init(struct oxygen *chip); 154 155 /* oxygen_io.c */ 156 157 u8 oxygen_read8(struct oxygen *chip, unsigned int reg); 158 u16 oxygen_read16(struct oxygen *chip, unsigned int reg); 159 u32 oxygen_read32(struct oxygen *chip, unsigned int reg); 160 void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value); 161 void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value); 162 void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value); 163 void oxygen_write8_masked(struct oxygen *chip, unsigned int reg, 164 u8 value, u8 mask); 165 void oxygen_write16_masked(struct oxygen *chip, unsigned int reg, 166 u16 value, u16 mask); 167 void oxygen_write32_masked(struct oxygen *chip, unsigned int reg, 168 u32 value, u32 mask); 169 170 u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec, 171 unsigned int index); 172 void oxygen_write_ac97(struct oxygen *chip, unsigned int codec, 173 unsigned int index, u16 data); 174 void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec, 175 unsigned int index, u16 data, u16 mask); 176 177 void oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data); 178 void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data); 179 180 void oxygen_reset_uart(struct oxygen *chip); 181 void oxygen_write_uart(struct oxygen *chip, u8 data); 182 183 static inline void oxygen_set_bits8(struct oxygen *chip, 184 unsigned int reg, u8 value) 185 { 186 oxygen_write8_masked(chip, reg, value, value); 187 } 188 189 static inline void oxygen_set_bits16(struct oxygen *chip, 190 unsigned int reg, u16 value) 191 { 192 oxygen_write16_masked(chip, reg, value, value); 193 } 194 195 static inline void oxygen_set_bits32(struct oxygen *chip, 196 unsigned int reg, u32 value) 197 { 198 oxygen_write32_masked(chip, reg, value, value); 199 } 200 201 static inline void oxygen_clear_bits8(struct oxygen *chip, 202 unsigned int reg, u8 value) 203 { 204 oxygen_write8_masked(chip, reg, 0, value); 205 } 206 207 static inline void oxygen_clear_bits16(struct oxygen *chip, 208 unsigned int reg, u16 value) 209 { 210 oxygen_write16_masked(chip, reg, 0, value); 211 } 212 213 static inline void oxygen_clear_bits32(struct oxygen *chip, 214 unsigned int reg, u32 value) 215 { 216 oxygen_write32_masked(chip, reg, 0, value); 217 } 218 219 static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec, 220 unsigned int index, u16 value) 221 { 222 oxygen_write_ac97_masked(chip, codec, index, value, value); 223 } 224 225 static inline void oxygen_ac97_clear_bits(struct oxygen *chip, 226 unsigned int codec, 227 unsigned int index, u16 value) 228 { 229 oxygen_write_ac97_masked(chip, codec, index, 0, value); 230 } 231 232 #endif 233